/*****************************************************************************
 *  CommLayerLib - NetworkDataBroadcaster.java
 *  Copyright (C) 2012  Matteo Piscitelli
 *  E-mail: matteo@picciux.it
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  For further info, check http://code.google.com/p/java-comm-layer/
 *
 *  SVN: $Id: NetworkDataBroadcaster.java 41 2012-10-11 16:35:35Z picciux@gmail.com $
 *  
 *****************************************************************************/


package it.picciux.commlayer.net;

import java.io.IOException;
import java.io.OutputStream;

import it.picciux.commlayer.DataLogger;

public abstract class NetworkDataBroadcaster extends DataLogger {
	protected TCPServer server;
	protected int port;
	
	public NetworkDataBroadcaster(int port) {
		super();
		this.port = port;
		this.server = getServer();
	}

	public NetworkDataBroadcaster(int port, String name) {
		super();
		this.port = port;
		this.server = getServer();
		this.server.setServerName(name);
	}
	
	protected abstract TCPServer getServer();
	
	protected OutputStream openStream() {
		try {
			server.listen(port);
		} catch (IOException e) {
			return null;
		}
		
		return new OutputStream() {
			public void write(int b) throws IOException {
				server.broadcastData( b );
			}
		};
		
	}

	public void closeLog() {
		super.closeLog();
		server.stop();
	}
}
